5.3

CVE-2026-65829: joniles mpxj Path Traversal

CVSS: 5.3v3.1MediumAwaiting analysis
AliasesGHSA-7952-gx68-cjqrPYSEC-2026-4108
Published 22-09-2026Last modified 23-09-2026
Open JSON

Vulnerability summary

CVE-2026-65829 is a medium (CVSS 5.3) Path Traversal vulnerability in joniles mpxj. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.6% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-09-2026
    PublishedVulnerability first disclosed.
  2. 23-09-2026
    Last modifiedVulnerability information updated.

Description

MPXJ is an open source library to read and write project plans from a variety of file formats and databases. From 7.3.0 until 16.5.0, reading a suitably crafted Primavera P3 PRX or SureTrak STX file can cause MPXJ to write files to arbitrary locations in the filesystem. This issue is fixed in version 16.5.0.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

23-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet4 products
  • MPXJ.Net≥ 7.3.0, < 16.5.0
  • net.sf.mpxj≥ 7.3.0, < 16.5.0
  • net.sf.mpxj-for-csharp≥ 7.3.0, < 16.5.0
  • net.sf.mpxj-for-vb≥ 7.3.0, < 16.5.0
Joniles1 product
  • mpxj≥ 7.3.0, < 16.5.0
Net.sf.mpxj1 product
  • mpxj≥ 7.3.0, < 16.5.0
PyPI1 product
  • mpxj≥ 7.3.0, < 16.5.0
RubyGems1 product
  • mpxj≥ 7.3.0, < 16.5.0

5 vendors · 8 products

References

7 links